3v4l.org

run code in 300+ PHP versions simultaneously
<?php $boo = 1; $_SESSION['boo']='$boo'; $boo = 2; echo 'boo = ', $boo, ' '; echo '$_SESSION[boo] = ', ${$_SESSION[boo]};

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.40.0090.00618.90
8.3.30.0090.00918.97
8.3.20.0040.00420.20
8.3.10.0050.00221.89
8.3.00.0000.00819.68
8.2.170.0130.00722.96
8.2.160.0100.00320.57
8.2.150.0000.00824.18
8.2.140.0060.01324.66
8.2.130.0000.00826.16
8.2.120.0070.00317.63
8.2.110.0100.00021.19
8.2.100.0080.00417.75
8.2.90.0000.00819.26
8.2.80.0040.00417.97
8.2.70.0050.00317.73
8.2.60.0000.00817.93
8.2.50.0000.01019.47
8.2.40.0050.00319.13
8.2.30.0040.00419.89
8.2.20.0040.00417.87
8.2.10.0070.00018.11
8.2.00.0000.00718.16
8.1.270.0080.00020.16
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00019.64
8.1.230.0000.01417.42
8.1.220.0000.00917.75
8.1.210.0040.00418.77
8.1.200.0030.00717.25
8.1.190.0040.00416.98
8.1.180.0050.00318.10
8.1.170.0040.00418.55
8.1.160.0000.00721.94
8.1.150.0000.00719.00
8.1.140.0080.00017.33
8.1.130.0000.00717.64
8.1.120.0000.00717.39
8.1.110.0040.00417.44
8.1.100.0000.00717.44
8.1.90.0040.00417.42
8.1.80.0000.00817.43
8.1.70.0040.00417.37
8.1.60.0030.00617.60
8.1.50.0040.00417.41
8.1.40.0050.00317.43
8.1.30.0000.00817.66
8.1.20.0080.00017.63
8.1.10.0040.00417.51
8.1.00.0000.00817.42
8.0.300.0070.00018.77
8.0.290.0040.00416.58
8.0.280.0030.00318.45
8.0.270.0000.00717.27
8.0.260.0030.00317.26
8.0.250.0070.00016.92
8.0.240.0040.00417.07
8.0.230.0030.00316.89
8.0.220.0030.00316.85
8.0.210.0030.00316.98
8.0.200.0090.00016.98
8.0.190.0050.00316.97
8.0.180.0030.00517.01
8.0.170.0040.00416.83
8.0.160.0000.00717.01
8.0.150.0000.00716.91
8.0.140.0000.00716.75
8.0.130.0000.00713.34
8.0.120.0070.00016.89
8.0.110.0050.00216.99
8.0.100.0030.00516.98
8.0.90.0030.00616.84
8.0.80.0000.01517.01
8.0.70.0040.00416.84
8.0.60.0040.00417.01
8.0.50.0000.00816.73
8.0.30.0090.00717.19
8.0.20.0100.01017.40
8.0.10.0030.00316.91
8.0.00.0090.00816.80
7.4.330.0030.00315.08
7.4.320.0070.00016.55
7.4.300.0030.00316.53
7.4.290.0010.00116.61
7.4.280.0080.00416.64
7.4.270.0040.00416.51
7.4.260.0000.01016.58
7.4.250.0030.00316.38
7.4.240.0080.00016.56
7.4.230.0030.00316.32
7.4.220.0120.01216.53
7.4.210.0060.01316.54
7.4.200.0040.00416.44
7.4.160.0060.00916.79
7.4.150.0110.00817.40
7.4.140.0160.00517.86
7.4.130.0020.01816.70
7.4.120.0140.00316.58
7.4.110.0070.01016.61
7.4.100.0060.01616.52
7.4.90.0110.00616.69
7.4.80.0080.00819.39
7.4.70.0090.01116.68
7.4.60.0060.01016.57
7.4.50.0060.00316.50
7.4.40.0110.00416.29
7.4.30.0070.01716.70
7.4.00.0050.01015.07
7.3.330.0060.00013.14
7.3.320.0050.00013.25
7.3.310.0070.00016.39
7.3.300.0040.00316.38
7.3.290.0080.00816.32
7.3.280.0070.01316.34
7.3.270.0090.00917.40
7.3.260.0120.00616.59
7.3.250.0090.00816.33
7.3.240.0000.01716.52
7.3.230.0120.01216.39
7.3.210.0120.00616.63
7.3.200.0070.01016.70
7.3.190.0060.01216.49
7.3.180.0120.00616.37
7.3.170.0140.00716.45
7.3.160.0070.01016.50
7.3.120.0030.01215.03
7.3.110.0080.00414.86
7.3.100.0080.00315.02
7.3.90.0040.00914.87
7.3.80.0000.01414.99
7.3.70.0030.00614.89
7.3.60.0060.00614.93
7.3.50.0040.00414.95
7.3.40.0030.00914.78
7.3.30.0060.00614.94
7.3.20.0070.01416.54
7.3.10.0050.01316.60
7.3.00.0080.01116.70
7.2.330.0100.00716.51
7.2.320.0080.00816.84
7.2.310.0040.01216.79
7.2.300.0100.01316.51
7.2.290.0170.00016.89
7.2.250.0100.00715.08
7.2.240.0120.00615.04
7.2.230.0100.00314.79
7.2.220.0070.00715.33
7.2.210.0000.00915.00
7.2.200.0040.01515.14
7.2.190.0040.01115.27
7.2.180.0090.00614.91
7.2.170.0100.00314.91
7.2.130.0090.00716.76
7.2.120.0140.01016.78
7.2.110.0210.00916.57
7.2.100.0080.01216.88
7.2.90.0130.00716.50
7.2.80.0120.00716.80
7.2.70.0200.00016.61
7.2.60.0080.01116.85
7.2.50.0130.00616.54
7.2.40.0100.01017.06
7.2.30.0060.00916.48
7.2.20.0040.01616.66
7.2.10.0090.01316.83
7.2.00.0080.00518.27
7.1.330.0070.01015.77
7.1.320.0080.00315.84
7.1.310.0080.00015.84
7.1.300.0060.00615.75
7.1.290.0040.00715.84
7.1.280.0070.00715.75
7.1.270.0110.00315.68
7.1.260.0100.00015.78
7.1.250.0050.01415.44
7.1.200.0060.00615.83
7.1.100.0080.00317.79
7.1.70.0000.00717.16
7.1.60.0120.01220.03
7.1.50.0200.00334.82
7.1.00.0030.07722.45
7.0.200.0120.00316.74
7.0.60.0000.04319.82
7.0.50.0030.07717.89
7.0.40.0070.09020.21
7.0.30.0330.07020.09
7.0.20.0200.04720.22
7.0.10.0070.04320.29
7.0.00.0030.04720.16
5.6.280.0000.03321.11
5.6.210.0070.06020.49
5.6.200.0030.04018.21
5.6.190.0100.08720.67
5.6.180.0330.05020.61
5.6.170.0330.05020.39
5.6.160.0030.04720.41
5.6.150.0030.04018.21
5.6.140.0070.07318.09
5.6.130.0070.06318.20
5.6.120.0100.06721.13
5.6.110.0100.08321.01
5.6.100.0170.07320.96
5.6.90.0030.04020.99
5.6.80.0030.06720.35
5.5.350.0070.07720.42
5.5.340.0000.04717.98
5.5.330.0030.07720.40
5.5.320.1400.05320.52
5.5.310.0170.08720.16
5.5.300.0030.08717.88
5.5.290.0170.05017.96
5.5.280.0070.08020.84
5.5.270.0130.06020.74
5.5.260.0130.08020.84
5.5.250.0100.06020.68
5.5.240.0030.03720.26
5.4.450.0330.07719.64
5.4.440.0270.08319.58
5.4.430.0330.08019.55
5.4.420.0470.05019.62
5.4.410.0270.05719.50
5.4.400.0370.04018.81
5.4.390.0270.05319.30
5.4.380.0300.06718.95
5.4.370.0300.07319.12
5.4.360.0200.06019.20
5.4.350.0170.06318.78
5.4.340.0330.05318.80
5.4.320.0270.05019.27
5.4.310.0330.05319.16
5.4.300.0200.05319.01
5.4.290.0270.04719.27
5.4.280.0530.06019.27
5.4.270.0330.05319.01
5.4.260.0370.04319.14
5.4.250.0370.04319.13
5.4.240.0330.04719.30
5.4.230.0400.04319.25
5.4.220.0270.05018.94
5.4.210.0200.06718.94
5.4.200.0400.04018.77
5.4.190.0230.05019.20
5.4.180.0430.05318.98
5.4.170.0370.06019.07
5.4.160.0430.05318.97
5.4.150.0370.06319.28
5.4.140.0370.06716.38
5.4.130.0300.06716.36
5.4.120.0400.06716.50
5.4.110.0470.05716.06
5.4.100.0400.04716.38
5.4.90.0370.06016.54
5.4.80.0270.06016.43
5.4.70.0200.04716.20
5.4.60.0370.05716.19
5.4.50.0100.07016.36
5.4.40.0270.05016.28
5.4.30.0070.07016.20
5.4.20.0270.07316.46
5.4.10.0200.04716.45

preferences:
39.88 ms | 400 KiB | 5 Q